Move filtering logic in GetDataListSuggestions() to Blink.

components/autofill/content/renderer/autofill_agent.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/content/renderer/autofill_agent.h"
 
 #include <stddef.h>
 
 #include <tuple>
 
@@ skipping 92 matching lines @@
     return false;
 
   return base::StartsWith(group_name, "Enabled", base::CompareCase::SENSITIVE);
 }
 
 // Gets all the data list values (with corresponding label) for the given
 // element.
 void GetDataListSuggestions(const WebInputElement& element,
                             std::vector<base::string16>* values,
                             std::vector<base::string16>* labels) {
-  WebElementCollection options = element.dataListOptions();
-  if (options.isNull())
-    return;
-
-  // If the field accepts multiple email addresses, filter only on the last one.
-  base::string16 prefix = element.editingValue();
-  if (element.isMultiple() && element.isEmailField()) {
-    std::vector<base::string16> parts = base::SplitString(
-        prefix, base::ASCIIToUTF16(","), base::TRIM_WHITESPACE,
-        base::SPLIT_WANT_ALL);
-    if (!parts.empty())
-      base::TrimWhitespace(parts.back(), base::TRIM_LEADING, &prefix);
-  }
-
-  // Prefix filtering.
-  prefix = base::i18n::ToLower(prefix);
-  for (WebOptionElement option = options.firstItem().to<WebOptionElement>();
-       !option.isNull(); option = options.nextItem().to<WebOptionElement>()) {
-    if (!base::StartsWith(base::i18n::ToLower(base::string16(option.value())),
-                          prefix, base::CompareCase::SENSITIVE) ||
-        !element.isValidValue(option.value()))
-      continue;
-
+  for (const auto& option : element.filteredDataListOptions()) {
     values->push_back(option.value());
     if (option.value() != option.label())
       labels->push_back(option.label());
     else
       labels->push_back(base::string16());
   }
 }
 
 // Trim the vector before sending it to the browser process to ensure we
 // don't send too much data through the IPC.
@@ skipping 717 matching lines @@
 void AutofillAgent::LegacyAutofillAgent::OnDestruct() {
   // No-op. Don't delete |this|.
 }
 
 void AutofillAgent::LegacyAutofillAgent::FocusChangeComplete() {
   if (agent_)
     agent_->FocusChangeComplete();
 }
 
 }  // namespace autofill